1310720

素因数分解:

$2^{18}\times 5^1$

素因数の和:41

約数の個数: 38

約数和(自身を含む): 3145722

約数和(自身を除く): 1835002

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 16384, 20480, 32768, 40960, 65536, 81920, 131072, 163840, 262144, 327680, 655360, 1310720]

約数ペア:

[(1, 1310720), (2, 655360), (4, 327680), (5, 262144), (8, 163840), (10, 131072), (16, 81920), (20, 65536), (32, 40960), (40, 32768), (64, 20480), (80, 16384), (128, 10240), (160, 8192), (256, 5120), (320, 4096), (512, 2560), (640, 2048), (1024, 1280)]